Jay Lee Chor Yow's answer to Alicia's Secondary 4 A Maths Singapore question.
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Angle QBA = Angle RBC (vertically opp)
Angle QAB = Angle PAB = Angle RBC (congruent)
Since Angle QAB = Angle QBA
Triangle ABQ is isosceles.
Angle QAB = Angle PAB = Angle RBC (congruent)
Since Angle QAB = Angle QBA
Triangle ABQ is isosceles.
Date Posted:
3 years ago
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